Question

3. Write the word equation for the following changes.
a) Zinc placed in silver nitrate solution

b) Iron placed in dilute sulfuric acid

c) Magnesium is exposed to air for one month

d) A small piece of sodium placed in cold water

Answer 1

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Answer 2

A. Zinc + silver nitrate ----->zinc +nitrate silver

B. Iron +sulphuric acid (dilute )-------> iron sulphate + hydrogen

C. magnesium + Oxygen ---------> magnesium oxide

D. sodium + cold water-----> sodium hydroxide solution

Explanation:

• These are examples of word reaction according to the the conditions given above. The word equation is a different form of representing an equation. Here it is difficult to calculate the molecules of every element which is present in the compound.

• hence this type of chemical reaction does not require any balancing of the chemical reaction. The symbolical form of equation is more used

To know more,

Write the word equation for the reaction reaction of magnesium with ...

https://brainly.in/question/6817112